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341 Commits

Author SHA1 Message Date
Michael Brown
4e3976711d A working name resolution framework 2007-01-18 22:38:13 +00:00
Michael Brown
075f8144ff Have DHCP set the nameserver, rather than DNS read the DHCP nameserver 
value.
 2007-01-18 21:22:03 +00:00
Michael Brown
c014f607a8 Use total free memory as advertised window. This seems to be sufficient 
to avoid drops even on slow NICs.
 2007-01-18 20:39:17 +00:00
Michael Brown
6d4e37cf42 Move include/malloc.h to include/gpxe/malloc.h, since everything in there 
is now gPXE-specific.  (The standard malloc() et al have been in stdlib.h
for a while).

Add free memory counter.
 2007-01-18 20:11:04 +00:00
Michael Brown
5ff23aa406 Include stdlib.h rather than malloc.h 2007-01-18 20:06:03 +00:00
Michael Brown
05f4c3d176 Remove the one-packet-per-poll-cycle limit; it seems to no longer be 
needed now that performance is up.
 2007-01-18 16:50:35 +00:00
Michael Brown
6c72bf13a1 Presize the download buffer when we see the Content-Length header; 
this saves around 70us per received packet (which is around 50% of the
overall packet processing time).
 2007-01-18 13:26:57 +00:00
Michael Brown
08da93a311 Reorder functions to more closely reflect the flow of control 2007-01-18 13:10:26 +00:00
Michael Brown
06630a3036 Switch from calloc() to malloc()+memset() to match the practices used 
almost everywhere else.
 2007-01-18 12:45:58 +00:00
Michael Brown
dd6d94004f HTTP/DNS now working fully asynchronously. HTTP/IP addresses and any 
other protocol won't work at the moment.
 2007-01-18 03:39:45 +00:00
Michael Brown
99e58865c7 Use struct sockaddr rather than struct sockaddr_tcpip 
Tidy up code
 2007-01-18 03:35:00 +00:00
Michael Brown
f11da20f25 When a network device is specified to tcpip_tx() or it's children, treat 
it as a fallback network device rather than an explicitly forced network
device.

Clear routing table entries before re-attempting DHCP.
 2007-01-16 04:09:13 +00:00
Michael Brown
1a1fc23417 Improve debugging 2007-01-16 03:29:15 +00:00
Michael Brown
bcdb6fad3e Improve debug messages 2007-01-16 03:19:40 +00:00
Michael Brown
835d35749f Improved debugging 2007-01-16 03:10:37 +00:00
Michael Brown
143d14614d Quickly hack in DNS resolution as a proof of concept 2007-01-15 17:32:52 +00:00
Michael Brown
9af12d5fba A working DNS resolver (not yet tied in to anything) 2007-01-15 17:31:35 +00:00
Michael Brown
df0397f334 Update TFTP and FTP to take the same temporary URI scheme as HTTP 2007-01-15 09:58:26 +00:00
Michael Brown
afa752f5fb Protocol's get() method no longer takes ownership of the URI. HTTP is the 
exception rather than the rule; we may as well keep things clean for other
protocols.
 2007-01-15 09:18:06 +00:00
Michael Brown
1f92c6b3e8 Must free http on the error path; nothing else will do it 2007-01-15 09:08:40 +00:00
Michael Brown
c676591cd1 Unmaintained example code is probably worse than useless. 2007-01-15 09:06:12 +00:00
Michael Brown
4e20d73bb5 Gave asynchronous operations approximate POSIX signal semantics. This 
will enable us to cascade async operations, which is necessary in order to
properly support DNS.  (For example, an HTTP request may have to redirect
to a new location and will have to perform a new DNS lookup, so we can't
just rely on doing the name lookup at the time of parsing the initial
URL).

Anything other than HTTP is probably broken right now; I'll fix the others
up asap.
 2007-01-15 08:49:10 +00:00
Michael Brown
76aa9ad07d Make TCP give up immediately when it receives -ENETUNREACH from 
tcpip_tx().  This avoids the irritating wait when you accidentally type
"kernel pxelinux.0" before bringing up the network interface.

Add ENETUNREACH to strerror()'s list.
 2007-01-14 16:47:03 +00:00
Michael Brown
c953c1a1c3 Use -ENETUNREACH to mean "no reachable network device exists, don't bother 
retrying".
 2007-01-14 16:22:10 +00:00
Michael Brown
526d314266 Advertise a larger MSS to improve TCP performance. 2007-01-13 17:36:17 +00:00
Michael Brown
497c3a5aad Fixed HTTP 2007-01-12 19:18:13 +00:00
Michael Brown
ad22cccc09 No need to maintain a received byte count; we always fill in sequential 
order so we can just use buffer->fill.
 2007-01-12 17:16:46 +00:00
Michael Brown
0010e10ef3 Update TFTP to use a struct buffer rather than a callback. 
Add debug autocolourisation to TFTP.
 2007-01-11 15:14:54 +00:00
Michael Brown
037da9d840 I hate NULL pointer dereferences. 2007-01-11 05:27:02 +00:00
Michael Brown
a3ed0cbbc7 Extract packet-padding login from rtl8139.c to a separate pkbpad.c file. 2007-01-11 05:25:50 +00:00
Michael Brown
6918cf9e9e Change FTP to use a data buffer rather than a callback function. 2007-01-11 04:51:20 +00:00
Michael Brown
d9ba8f790b Add route() function to display routing table. 2007-01-10 20:38:20 +00:00
Michael Brown
1fa5cd0e2b Add find_pci_netdev() 2007-01-10 16:16:05 +00:00
Michael Brown
dad5274522 Add "name" field to struct device to allow human-readable hardware device 
names.

Add "dev" pointer in struct net_device to tie network interfaces back to a
hardware device.

Force natural alignment of data types in __table() macros.  This seems to
prevent gcc from taking the unilateral decision to occasionally increase
their alignment (which screws up the table packing).
 2007-01-10 04:22:09 +00:00
Michael Brown
cc9b32c405 Remove uIP; we haven't used it for quite some time now. 2007-01-10 02:52:58 +00:00
Michael Brown
753e156844 Allow udp_{send,sendto,sendto_via} to be called outside of the 
udp_senddata() callback.  This will simplify any UDP protocols that don't
need the temporary buffer.
 2007-01-10 02:46:39 +00:00
Michael Brown
649b789e93 DHCP transmits via specified net device, so no need to create a dummy 
routing table entry just to fool ipv4.c any more.
 2007-01-10 02:37:23 +00:00
Michael Brown
c821a7b20d Add udp_sendto_via() to allow e.g. DHCP to transmit without first having 
to set up dummy routing entries.
 2007-01-10 02:31:38 +00:00
Michael Brown
f008b77ba2 Allow an explicit network device to be specified for IP-layer 
transmissions.
 2007-01-10 02:25:11 +00:00
Michael Brown
d24b80acf2 Added network interface management commands 2007-01-10 01:55:07 +00:00
Michael Brown
98b6154c3e Add "name" field to network device, to facilitate netdev commands. 2007-01-09 23:48:18 +00:00
Michael Brown
c65fae2475 Add RX quotas to the net device poll() method. This avoids the problem 
of alloc_pkb() exhaustion when e.g. an iSCSI-booted DOS session is left
idle for a long time at the C:\ prompt and builds up a huge packet
backlog.
 2007-01-09 21:47:01 +00:00
Michael Brown
18e5353bed Rename pkb_available() to pkb_tailroom() for consistency with Linux's 
skb_tailroom().  Add pkb_headroom().
 2007-01-09 20:56:31 +00:00
Michael Brown
b7fcfe8ece Added net device TX queue; this will be needed to support the PXE UNDI API 
(which will need us to wait for TX completions).

Added debug autocolourisation to netdevice.c
 2007-01-09 20:18:31 +00:00
Michael Brown
8a268073a7 Move start/stop/expire debug messages to DBG2() level. 2007-01-09 17:39:52 +00:00
Michael Brown
2eeb7c4fe7 Define "connected" as 
"when SYN is ACKed and we have already received SYN", or
  "when SYN is received and we have already had SYN ACKed"

rather than just

  "when SYN is ACKed"

This avoids spuriously calling the connected() method when we receive
a RST,ACK in response to a SYN.
 2007-01-09 05:01:22 +00:00
Michael Brown
aaca21a2b6 We can't assert that the RX engine is idle in iscsi_done(), because it 
may be called during the RX data processor, before the RX engine
transitions back to idle.  It doesn't really matter if the RX engine
isn't idle when iscsi_done() is called, because it will just pick up
where it left off on the next call.  (The same is not true for the TX
engine, so keep the TX engine assertion.)
 2007-01-09 04:42:23 +00:00
Michael Brown
6ea07b9247 Use debug auto-colourisation. 2007-01-09 04:38:39 +00:00
Michael Brown
76525294ee Clean up connection closing and permanent failure logic. 2007-01-09 04:31:33 +00:00
Michael Brown
20681d6168 Allow empty checksums on received packets 2007-01-04 05:17:28 +00:00
Michael Brown
0c03bb5a9a Make open() and close() an official part of the netdevice API. 
Call netdevice's poll() and transmit() methods only when device is open.
 2007-01-04 04:20:08 +00:00
Michael Brown
7fafa89258 A DHCP session holds a persistent reference to a network device 2007-01-04 03:42:28 +00:00
Michael Brown
b29861a5aa IPv6 minirouting table entries hold persistent references to net devices. 2007-01-04 03:28:30 +00:00
Michael Brown
b22d4405c0 An AoE session holds a persistent reference to a net device. 2007-01-04 03:21:45 +00:00
Michael Brown
35b5e5d3f5 Minirouting table entries hold a persistent reference to a net_device. 2007-01-04 03:10:21 +00:00
Michael Brown
bdf79ec8dc Use hotplug support to notify persistent reference holders when a 
net_device is unregistered.
 2007-01-04 03:09:28 +00:00
Michael Brown
b0daa99dce Send RST packets when we get a non-matching connection, or receive an 
out-of-range ACK.
 2007-01-03 22:21:59 +00:00
Michael Brown
eea1167a85 Accept RST on received packets 2007-01-03 21:51:36 +00:00
Michael Brown
94fc68895d Improve consistency between TCP and UDP RX datapaths 2007-01-03 21:13:11 +00:00
Michael Brown
a0525a4ed3 Verify checksums on the RX datapath. 
Simplify checksum generation on the TX datapath.
 2007-01-03 20:48:52 +00:00
Michael Brown
285beeff7c Tidy up debug messages 
Move routing into a separate function
 2007-01-03 16:39:11 +00:00
Michael Brown
718294553b Fix compiler warning 2007-01-03 15:56:15 +00:00
Michael Brown
83e1340d88 Use autocolourisation 2006-12-29 14:09:23 +00:00
Michael Brown
feb4f65d1e Use auto-colourisation for debug messages. 
Truncate TX length to TCP window at time of transmission rather than at
time of adding to TX packet; this is conceptually cleaner and also allows
the application to call tcp_send() multiple times to build up a single
packet.
 2006-12-29 14:03:03 +00:00
Michael Brown
ce9819af27 Redefine TCP state to include "flags that have been sent" rather than 
"flags that are currently being sent".  This allows at least one special
case (checking that we haven't already sent a FIN in tcp_rx_fin()) to be
collapsed.
 2006-12-29 00:44:31 +00:00
Michael Brown
be31970e36 Don't send a second FIN if we receive a FIN while in FIN_WAIT_2 2006-12-27 23:44:05 +00:00
Michael Brown
61ed298bc7 Merge changes from mcb-tcp-fixes branch. 2006-12-27 23:09:46 +00:00
Michael Brown
1a11cc5c5b Added times to start/stop log messages 2006-12-27 22:56:39 +00:00
Michael Brown
4cc1c1bd4c Ensure that old TCP connection state is destroyed before attempting to 
reopen connection.  (The TCP API will soon change to render this step
unnecessary.)
 2006-12-22 13:04:50 +00:00
Michael Brown
a2e3357825 Cannot immediately overwrite the peer address when we parse 
TargetAddress from the login response, because we still need the old
address while we close the connection!
 2006-12-22 12:24:12 +00:00
Michael Brown
66a7ed23cb Make start_timer() and stop_timer() robust against incorrect usage. 2006-12-22 01:35:21 +00:00
Michael Brown
d6f9152bfa Avoid null pointer dereferences when no username/password specified. 2006-12-21 18:38:24 +00:00
Michael Brown
6ceb55fad0 When login fails, leave the session open but not in full feature 
phase.  In iscsi_issue(), detect this state and immediately refuse the
operation.  This avoids trying multiple logins when scsi.c tries
several times to read the drive capacity.
 2006-12-21 17:43:43 +00:00
Michael Brown
ab242a760d Add ability to shut down iSCSI connection 2006-12-21 17:17:47 +00:00
Michael Brown
60a3f77711 Close UDP connection when DHCP completes. 2006-12-20 07:19:48 +00:00
Michael Brown
a646e38f03 Use stdlib.h for malloc() instead of malloc.h. 2006-12-19 23:42:46 +00:00
Michael Brown
04c09823bd Request all the options that we're prepared to do anything with. 2006-12-12 16:18:20 +00:00
Michael Brown
a1af111a87 Also request root-path. 2006-12-08 15:49:46 +00:00
Michael Brown
38ae94f8ce A cleaner method of handling login redirection; just use the existing 
reconnection mechanism.  This avoids the problems of trying to reuse
the TCP connection structure before the old connection has cleanly exited.
 2006-12-06 19:53:56 +00:00
Michael Brown
5edb85c8b4 Work around another confused-by-RST bug 2006-12-06 18:09:33 +00:00
Michael Brown
b9f9230661 Work around another instance of the port re-use bug. 2006-12-05 23:15:35 +00:00
Michael Brown
8c3d09c564 Tweaked retry messages 2006-12-05 23:12:54 +00:00
Michael Brown
9600af14a3 Added debug messages 2006-12-05 22:53:49 +00:00
Michael Brown
cc0b92652f Call closed() method only when the connection is genuinely in the 
TCP_CLOSED state (i.e. after the final FIN/ACK exchange), and has been
removed from the list of TCP connections.
 2006-12-05 22:53:28 +00:00
Michael Brown
fcc70c9d60 Ensure that tcp_rx() always frees its received packet buffer. 2006-12-05 21:23:23 +00:00
Michael Brown
28c711b91d Killed off spurious <stdio.h> inclusion 2006-12-05 21:16:52 +00:00
Michael Brown
3fbfbad0f7 Avoid calling NULL methods! 2006-12-05 21:09:37 +00:00
Michael Brown
89bcb57201 Update ftp.c to work with Nikhil's TCP stack. 
Remove the now-totally-obsolete sockaddr_in field from tcp.h.
 2006-12-05 19:07:47 +00:00
Michael Brown
6842dd3222 Handle TargetAddress 2006-12-05 01:41:32 +00:00
Michael Brown
67577556a2 Handle strings as complete units, instead of a byte at a time. 2006-12-05 01:08:56 +00:00
Michael Brown
3a7d762c1c Add iscsi_rx_buffered_data() and supporting infrastructure. 2006-12-05 00:39:05 +00:00
Michael Brown
3f0b4d9ed8 Updated to use asynchronous operation model for iSCSI requests 
Added CHAP authentication
 2006-11-28 00:29:02 +00:00
Michael Brown
fedc186fd7 Split login into security negotation and operational parameter 
negotiation phases, to allow inclusion of CHAP authentication.
 2006-10-03 09:17:38 +00:00
Michael Brown
88e38fa148 We don't actually have a stdio.h header file. Our printf() functions are 
defined in vsprintf.h.  (This may change, since vsprintf.h is a
non-standard name, but for now it's the one to use.)

There should be no need to include vsprintf.h just for DBG() statements,
since include/compiler.h forces it in for a debug build anyway.
 2006-09-27 10:58:14 +00:00
Marty Connor
6ac78f6aff added stdio.h to includes for DBG compilation 2006-09-27 05:57:06 +00:00
Michael Brown
0dca1dc8ce Made eth_ntoa() public for use in legacy drivers' DBG() statements. 2006-09-15 12:34:34 +00:00
Michael Brown
095fce14f8 Added extra debugging 2006-08-30 13:39:07 +00:00
Michael Brown
cab3f4502b Correct option number for DHCP_DNS_SERVERS, and add it to the request 
list.
 2006-08-27 01:37:58 +00:00
Nikhil Chandru Rao
dccb8358bd Fixed a bug in the TCP state machine. Added a transition from ESTABLISHED to LAST_ACK on receiving a FIN,ACK 2006-08-19 16:14:53 +00:00
Nikhil Chandru Rao
d1d334b8e1 IP6 support 2006-08-19 15:58:22 +00:00
Michael Brown
f1e1dfae3d Added RX tracing as well. 2006-08-16 00:15:40 +00:00
Michael Brown
0743dc5b0d Added some minimal debugging for transmitted PDUs. 2006-08-15 23:56:18 +00:00
Derek Pryor
562ab6d65c Bug fixes to the HTTP protocol code 2006-08-12 19:05:08 +00:00
Derek Pryor
0f88703019 Bug fixes to the HTTP protocol code 2006-08-12 18:54:59 +00:00
Michael Brown
db0ff1731f Fail gracefully when set_dhcp_option() is called with options==NULL. 2006-08-11 18:16:34 +00:00
Derek Pryor
25ea34a8d7 New HTTP protocol and test code 2006-08-11 14:13:02 +00:00
Michael Brown
2497270c14 command->data_{in,out} are now userptr_t, so it is invalid to compare 
against NULL.
 2006-08-10 17:35:14 +00:00
Michael Brown
ea5fa82b91 Fixed variable name in assertion 2006-08-10 17:09:48 +00:00
Michael Brown
c3a4f3c5da Towards an RFC2988-compliant timer. 2006-08-09 15:54:17 +00:00
Michael Brown
f0718d562f Don't call stop_timer() from within the timer expiry callback; it's 
already stopped.

Don't call start_timer() when sending a dataless ACK.  This may or may
not be the right thing to do; I can't tell.

Back out broken "send ACK only if required to" logic temporarily.
 2006-08-09 15:50:20 +00:00
Nikhil Chandru Rao
3aff701001 Changed the TCP state machines behaviour in the ESTABLISHED state 2006-08-09 15:04:26 +00:00
Michael Brown
dc8b96b446 Temporarily work around the bug when port numbers are reused between 
subsequent runs.
 2006-08-09 14:44:58 +00:00
Michael Brown
09688cb3b5 Correct some packet ownership and freeing bugs. 2006-08-09 14:27:07 +00:00
Michael Brown
43d601b678 out_flags was being set but never used. 
Use just random() to allocate initial sequence numbers; the previous
algorithm ended up with a high probability of zeroing the high word.
 2006-08-09 13:35:03 +00:00
Michael Brown
065a2a486d Port the UDP port allocation code to TCP 2006-08-09 12:08:20 +00:00
Michael Brown
de0c36a98a Remove some of the confusion surrounding the amount to strip off from 
a TCP packet before passing to newdata().
 2006-08-09 12:01:09 +00:00
Michael Brown
867c7aef59 iphdr->hlen includes the IP header, so truncate packet *before* 
stripping the header.  Also fix an htons/ntohs confusion.
 2006-08-09 11:52:53 +00:00
Marty Connor
ee9ae8130a Remove _PROTOCOL macros for gcc 3.2 compatibility 2006-08-09 04:42:14 +00:00
Michael Brown
e9561aafc0 Derive xid dynamically from the netdev, so that we can call 
create_dhcp_packet() from pxe_preboot.c, after the dhcp_session is long
gone.

Expose the functions required by pxe_preboot.c
 2006-08-09 02:56:40 +00:00
Michael Brown
a3d508b648 Clarified packet ownership transfer between a few functions. 
Added a large number of missing calls to free_pkb().  In the case of UDP,
no received packets were ever freed, which lead to memory exhaustion
remarkably quickly once pxelinux started up.

In general, any function with _rx() in its name which accepts a pk_buff
*must* either call free_pkb() or pass the pkb to another _rx() function
(e.g. the next layer up the stack).  Since the UDP (and TCP) layers don't
pass packet buffers up to the higher-layer protocols (the
"applications"), they must free the packet buffer after calling the
application's newdata() method.
 2006-08-09 01:24:32 +00:00
Michael Brown
d1a123b1f4 Added TFTP test code (currently just dumps file to console). 2006-08-09 00:09:29 +00:00
Michael Brown
3611cb17b7 Initial (untested) implementation of TFTP over the new UDP API. 2006-08-08 23:45:52 +00:00
Nikhil Chandru Rao
409f69a08a Changed ipv4_dump() to consume only one line. 2006-08-08 22:26:35 +00:00
Nikhil Chandru Rao
8bf38fb400 Corrected bugs in the TCP logic. There might be a few more which need to be taken care of. 2006-08-08 22:25:20 +00:00
Michael Brown
68e33224ef gcc3 compatibility: removed ARP_NET_PROTOCOL(). 2006-08-08 17:44:25 +00:00
Nikhil Chandru Rao
d2bdf81505 Removed some bugs in TCP 2006-08-08 03:42:30 +00:00
Nikhil Chandru Rao
cb42e573a0 Added retransmissions to TCP 2006-08-07 18:52:26 +00:00
Michael Brown
885a630ddf Fix routing when a gateway exists. This should probably be split into 
a separate function.
 2006-08-07 17:51:19 +00:00
Michael Brown
d0e4f198d6 Add iSCSI to the DHCP tests. 
Start updating iscsi.c to use Nikhil's TCP API.
 2006-08-07 16:48:24 +00:00
Nikhil Chandru Rao
6714ec745a Minor corrections 2006-08-07 07:37:23 +00:00
Michael Brown
eb24eece0e Convert some trivial functions to static inlines. 2006-08-03 23:42:03 +00:00
Michael Brown
ffe0e24249 Make the UDP senddata() methods return a status code. 
udp_connect() now follows the standard BSD sockets semantics and simply
sets the default address for outgoing packets; it doesn't filter incoming
packets.
 2006-08-03 23:10:14 +00:00
Michael Brown
a0a872f7f1 Updated PXE UDP implementation to use the new Etherboot UDP API. 
Updated PXE API dispatcher to use copy_{to,from}_user, and moved to
arch/i386 since the implementation is quite architecture-dependent.
(The individual PXE API calls can be largely
architecture-independent.)
 2006-08-02 23:08:10 +00:00
Michael Brown
467e9627cc Added features that will be required for PXE UDP support. 
Introduced struct sockaddr_tcpip, to simplify code that deals with
both IPv4 and IPv6 addresses.

Reorganised parts of tcpip.c and udp.c.
 2006-08-02 00:02:21 +00:00
Nikhil Chandru Rao
9225f4edac TCP support 2006-08-01 20:46:50 +00:00
Nikhil Chandru Rao
c24546c70b Minor changes to the network layer rx() functions 2006-08-01 20:27:26 +00:00
Michael Brown
beadd82208 Remove unused functions. 2006-08-01 14:26:02 +00:00
Michael Brown
1ebb68e49a Renamed trans_{rx,tx}() to tcpip_{rx,tx}(), since they are specific to 
the TCP/IP protocol suite (rather than being general transport-layer
functions).
 2006-08-01 14:22:04 +00:00
Michael Brown
3a0e293123 Renamed tcpip_if.[ch] to tcpip.[ch] 2006-08-01 14:18:09 +00:00
Michael Brown
21c3d63c2e We shouldn't need to allocate a TX packet buffer when calling newdata(); 
if the application wants to send data then it will have to use the normal
senddata() mechanism.
 2006-08-01 14:13:58 +00:00
Michael Brown
ae277992c2 Request bootfile name; it doesn't seem to be automatically supplied by 
all servers.
 2006-08-01 14:12:27 +00:00
Michael Brown
3085f03ad4 Request Etherboot encapsulated options. 
Parameter request list is yet another option that ISC dhcpd ignores
unless it's in the main options block.

Fix logic error in parsing file and sname fields.
 2006-07-20 14:14:41 +00:00
Michael Brown
b26806cf18 Add dhcp_snprintf() for extracting DHCP string options. 2006-07-20 14:13:11 +00:00
Michael Brown
16d04386b6 Switch default stack to Nikhil's TCP/IP stack 2006-07-20 02:53:15 +00:00
Michael Brown
e74e20cb55 Remove the static IP address hack from netdevice.c, and change the 
default test to the DHCP test.
 2006-07-20 02:51:52 +00:00
Michael Brown
00a1f000b1 Added dhcp_ipv4_option() and friends. 
Added test code to configure the interface for IPv4 after DHCP.
 2006-07-20 02:49:59 +00:00
Michael Brown
6a0b4c9772 Free up any allocated options if we fail 2006-07-20 02:25:39 +00:00
Michael Brown
764cb41456 Document memory ownership. 2006-07-20 02:23:42 +00:00
Michael Brown
7ca1bb0fbe Now successfully negotiates the whole DHCPDISCOVER/OFFER/REQUEST/ACK 
cycle.  :)
 2006-07-20 02:19:06 +00:00
Michael Brown
30d9bcdc6e Rename unwieldy function 2006-07-20 00:24:25 +00:00